#include <iostream>
#include <vector>

using namespace std;

vector<int> add(vector<int> &A, vector<int> &B){
    if(A.size()<B.size())return add(B,A);
    vector<int> C;
    int t =0;
    for(int i = 0; i<A.size();i++){
        t += A[i];
        if(i<B.size()) t+=B[i];
        C.push_back(t%10);
        t/=10;
    }
    if(t) C.push_back(t);
    return C;
}
int main(){

    string a,b;
    vector<int> A,B;
    cin>>a>>b;
    for(int i = a.size() -1; i>=0;i--) A.push_back(a[i]-'0');
    for(int i = b.size() -1; i>=0;i--) B.push_back(b[i]-'0');
    auto C = add(A,B);
    for(int i =C.size()-1; i>=0; i--)cout<<C[i];
    cout<<endl;
    return 0;
}
